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Sponsored

$12.49

Sea Foam Motor Treatment Fuel And Oil Additive, For All Gas And Diesel Engines, 16 Oz., SF16

Advance Auto Parts

$12.49

Sea Foam Motor Treatment Fuel And Oil Additive, For All Gas And Diesel Engines, 16 Oz., SF16

Advance Auto Parts

$29.59

$32.80

STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. - Treats Up To 512 Gallons - Fuel Stabilizer & Treatment, Gasoline

Amazon.com

$29.59

$32.80

STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. - Treats Up To 512 Gallons - Fuel Stabilizer & Treatment, Gasoline

Amazon.com

$13.99

Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16

Advance Auto Parts

$13.99

Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16

Advance Auto Parts

$15.99

Red Line Redline S-1 Fuel Treatment: Complete Fuel System Cleaner, Gas & Injector Additive Treatment, 15 Oz, 60103

Advance Auto Parts

$15.99

Red Line Redline S-1 Fuel Treatment: Complete Fuel System Cleaner, Gas & Injector Additive Treatment, 15 Oz, 60103

Advance Auto Parts

$30.99

VP Racing Fuels Octanium Unleaded Octane Booster: Eliminates Knocking, Cleans Fuel Injectors, 32 Oz, 29505

Advance Auto Parts

$30.99

VP Racing Fuels Octanium Unleaded Octane Booster: Eliminates Knocking, Cleans Fuel Injectors, 32 Oz, 29505

Advance Auto Parts

$15.97

15 Oz. Fuel System Cleaner - Red Line SI-1 Complete Fuel System Cleaner | Red Line Oil 60103

Summit Racing

$15.97

15 Oz. Fuel System Cleaner - Red Line SI-1 Complete Fuel System Cleaner | Red Line Oil 60103

Summit Racing

$11.88

16 Oz. Fuel System Cleaner - VP Racing Madditive Fuel System Cleaner | VP Racing Fuels 2805

Summit Racing

$11.88

16 Oz. Fuel System Cleaner - VP Racing Madditive Fuel System Cleaner | VP Racing Fuels 2805

Summit Racing

$11.78

G001770A2 - Audi A4 Quattro B7 2.0T - Genuine Volkswagen Audi Fuel Additive: 90ML Gasoline Additive Used To Clean Your VW Or Audi's Fuel System

ECS Tuning

$11.78

G001770A2 - Audi A4 Quattro B7 2.0T - Genuine Volkswagen Audi Fuel Additive: 90ML Gasoline Additive Used To Clean Your VW Or Audi's Fuel System

ECS Tuning

$7.99

Marvel Mystery Oil MM12R Oil Enhancer & Fuel Treatment (16Oz.)

Advance Auto Parts

$7.99

Marvel Mystery Oil MM12R Oil Enhancer & Fuel Treatment (16Oz.)

Advance Auto Parts

$7.99

Lucas Oil 10020 Fuel Treatment 5.25 Oz - Boost Engine Performance & Efficiency

Generator Factory Outlet

$7.99

Lucas Oil 10020 Fuel Treatment 5.25 Oz - Boost Engine Performance & Efficiency

Generator Factory Outlet

$33.99

Hot Shot's Secret Gasoline Extreme - TAMELESS PERFORMANCE 32 OZ

Tameless Performance

$33.99

Hot Shot's Secret Gasoline Extreme - TAMELESS PERFORMANCE 32 OZ

Tameless Performance

$62.10

Klotz Higher Octane Booster 1 Gallon

PartsGiant

Free shipping

$62.10

Klotz Higher Octane Booster 1 Gallon

PartsGiant

$7.99

Lucas Oil 10020 Fuel Treatment 5.25 Oz - Boost Engine Performance & Efficiency

Electric Generator Depot

$7.99

Lucas Oil 10020 Fuel Treatment 5.25 Oz - Boost Engine Performance & Efficiency

Electric Generator Depot

$6.99

Lucas Oil 5.25 Oz Safeguard Ethanol Fuel Conditioner With Stabilizers - 10670

Acme Tools

$6.99

Lucas Oil 5.25 Oz Safeguard Ethanol Fuel Conditioner With Stabilizers - 10670

Acme Tools

$10.49

STAR TRON ADDITIVE, 14308

Advance Auto Parts

$10.49

STAR TRON ADDITIVE, 14308

Advance Auto Parts

$7.99

ARGOS Octane Booster : 12 Oz., AR330-12

Advance Auto Parts

$7.99

ARGOS Octane Booster : 12 Oz., AR330-12

Advance Auto Parts

We Tested the Most Popular Fuel Additives — One Clear Winner!

We Tested the Most Popular Fuel Additives — One Clear Winner!

19.7K views3 months ago

YouTubeCar Care Pro

We Tested the Most Popular Fuel Additives — One Clear Winner

We Tested the Most Popular Fuel Additives — One Clear Winner

1.6K views2 months ago

YouTubeAuto Fix Guide

Diesel Additives PT2: Amsoil, Motorcraft, Lucas, Howes, ATF, TCW3, & Marvel Mystery Oil Compared

Diesel Additives PT2: Amsoil, Motorcraft, Lucas, Howes, ATF, T…

32.3K views2 months ago

YouTubeRepair Geek

Which Fuel Additive Actually Works? We Tested Them All

Which Fuel Additive Actually Works? We Tested Them All

1.3K views4 months ago

YouTubeCar Care Simplified

The BEST Fuel Additives Mechanics Don’t Want You to Know (Worth it!)

The BEST Fuel Additives Mechanics Don’t Want You to Know (Worth it!)

1.8K views7 months ago

YouTubeGarage IQ

We Tested The Top Fuel Additives — Only One Actually Worked

We Tested The Top Fuel Additives — Only One Actually Worked

462 views3 months ago

YouTubeCars Guide DIY

Top 5 Best Diesel Fuel Additives (2026 Review)

Top 5 Best Diesel Fuel Additives (2026 Review)

267 views4 months ago

YouTubeautoNmoto

Top 10 Best Diesel Fuel Additive in 2026 - Reviews & Buying Guide

1.5K views5 months ago

YouTubeAuto GearUp

Best Diesel Fuel Additive Of 2026 - Top 5 Diesel Fuel Additives Review!

138 views2 months ago

YouTubeAuto Ratings

STOP Buying Diesel Fuel Additives - Here's Why!

226.5K views1 month ago

YouTubeThe Motor Oil Geek

See more videos

Shop best fuel additives

Sponsored

$12.49

Sea Foam Motor Treatment Fuel And Oil Additive, For All Gas And Diesel Engines, 16 Oz., SF16

Advance Auto Parts

$12.49

Sea Foam Motor Treatment Fuel And Oil Additive, For All Gas And Diesel Engines, 16 Oz., SF16

Advance Auto Parts

$29.59

$32.80

STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. - Treats Up To 512 Gallons - Fuel Stabilizer & Treatment, Gasoline

Amazon.com

$29.59

$32.80

STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. - Treats Up To 512 Gallons - Fuel Stabilizer & Treatment, Gasoline

Amazon.com

$13.99

Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16

Advance Auto Parts

$13.99

Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16

Advance Auto Parts

$15.99

Red Line Redline S-1 Fuel Treatment: Complete Fuel System Cleaner, Gas & Injector Additive Treatment, 15 Oz, 60103

Advance Auto Parts

$15.99

Red Line Redline S-1 Fuel Treatment: Complete Fuel System Cleaner, Gas & Injector Additive Treatment, 15 Oz, 60103

Advance Auto Parts

$30.99

VP Racing Fuels Octanium Unleaded Octane Booster: Eliminates Knocking, Cleans Fuel Injectors, 32 Oz, 29505

Advance Auto Parts

$30.99

VP Racing Fuels Octanium Unleaded Octane Booster: Eliminates Knocking, Cleans Fuel Injectors, 32 Oz, 29505

Advance Auto Parts

$15.97

15 Oz. Fuel System Cleaner - Red Line SI-1 Complete Fuel System Cleaner | Red Line Oil 60103

Summit Racing

$15.97

15 Oz. Fuel System Cleaner - Red Line SI-1 Complete Fuel System Cleaner | Red Line Oil 60103

Summit Racing

$11.88

16 Oz. Fuel System Cleaner - VP Racing Madditive Fuel System Cleaner | VP Racing Fuels 2805

Summit Racing

$11.88

16 Oz. Fuel System Cleaner - VP Racing Madditive Fuel System Cleaner | VP Racing Fuels 2805

Summit Racing

$11.78

G001770A2 - Audi A4 Quattro B7 2.0T - Genuine Volkswagen Audi Fuel Additive: 90ML Gasoline Additive Used To Clean Your VW Or Audi's Fuel System

ECS Tuning

$11.78

G001770A2 - Audi A4 Quattro B7 2.0T - Genuine Volkswagen Audi Fuel Additive: 90ML Gasoline Additive Used To Clean Your VW Or Audi's Fuel System

ECS Tuning

$7.99

Marvel Mystery Oil MM12R Oil Enhancer & Fuel Treatment (16Oz.)

Advance Auto Parts

$7.99

Marvel Mystery Oil MM12R Oil Enhancer & Fuel Treatment (16Oz.)

Advance Auto Parts

$7.99

Lucas Oil 10020 Fuel Treatment 5.25 Oz - Boost Engine Performance & Efficiency

Generator Factory Outlet

$7.99

Lucas Oil 10020 Fuel Treatment 5.25 Oz - Boost Engine Performance & Efficiency

Generator Factory Outlet

$33.99

Hot Shot's Secret Gasoline Extreme - TAMELESS PERFORMANCE 32 OZ

Tameless Performance

$33.99

Hot Shot's Secret Gasoline Extreme - TAMELESS PERFORMANCE 32 OZ

Tameless Performance

$62.10

Klotz Higher Octane Booster 1 Gallon

PartsGiant

Free shipping

$62.10

Klotz Higher Octane Booster 1 Gallon

PartsGiant

$7.99

Lucas Oil 10020 Fuel Treatment 5.25 Oz - Boost Engine Performance & Efficiency

Electric Generator Depot

$7.99

Lucas Oil 10020 Fuel Treatment 5.25 Oz - Boost Engine Performance & Efficiency

Electric Generator Depot

$6.99

Lucas Oil 5.25 Oz Safeguard Ethanol Fuel Conditioner With Stabilizers - 10670

Acme Tools

$6.99

Lucas Oil 5.25 Oz Safeguard Ethanol Fuel Conditioner With Stabilizers - 10670

Acme Tools

$10.49

STAR TRON ADDITIVE, 14308

Advance Auto Parts

$10.49

STAR TRON ADDITIVE, 14308

Advance Auto Parts

$7.99

ARGOS Octane Booster : 12 Oz., AR330-12

Advance Auto Parts

$7.99

ARGOS Octane Booster : 12 Oz., AR330-12

Advance Auto Parts

Best Fuel Additives - Top 10 of 2026
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